AutoCodesPontiac – C0035 Pontiac

C0035 Pontiac Code - Left Front Wheel Speed Sensor Circuit

Quick Answer

The wheel speeds are detected by active Wheel Speed Sensors (WSS) and encoder rings. Common causes include Faulty Left Front Wheel Speed Sensor, Left Front Wheel Speed Sensor harness is open or shorted, Left Front Wheel Speed Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
C0035 Pontiac indicates Left Front Wheel Speed Sensor Circuit.
Common causes
Common causes include Faulty Left Front Wheel Speed Sensor, Left Front Wheel Speed Sensor harness is open or shorted, Left Front Wheel Speed Sensor circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 11,300
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 19, 2023
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Code C0035 Pontiac Description

The wheel speeds are detected by active Wheel Speed Sensors (WSS) and encoder rings. The encoder ring consists of permanent magnets. Each Wheel Speed Senso receives ignition voltage from the Electronic Brake Control Module (EBCM) and provides an alternating current square wave signal to the electronic brake control module. As the wheel spins, the electronic brake control module uses the frequency of the square wave signal to calculate the wheel speed. The Diagnostic Trouble Code (DTC) will be set when an improper signal is detected on the wheel speed sensor ignition circuit.
OBDII Code C0035 Pontiac - Left Front Wheel Speed Sensor Circuit - AutoCodes.com
C0035 Pontiac Code - Left Front Wheel Speed Sensor Circuit

What are the Possible Causes of the DTC C0035 Pontiac?

  • Faulty Left Front Wheel Speed Sensor
  • Left Front Wheel Speed Sensor harness is open or shorted
  • Left Front Wheel Speed Sensor circuit poor electrical connection
  • Faulty Electronic Brake Control Module (EBCM)

How to Fix the DTC C0035 Pontiac?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C0035 Pontiac code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C0035 Pontiac Code

1. What are the common symptoms of OBDII code C0035 in a Pontiac related to the left front wheel speed sensor circuit?

The common symptoms include the ABS light coming on, traction control issues, and potential loss of stability control.

2. What are the possible causes of OBDII code C0035 in a Pontiac indicating a problem with the left front wheel speed sensor circuit?

Possible causes include a faulty wheel speed sensor, damaged wiring or connectors, a malfunctioning ABS module, or issues with the tone ring.

3. How can I diagnose the left front wheel speed sensor circuit issue causing OBDII code C0035 in my Pontiac?

You can diagnose the issue by visually inspecting the sensor and its wiring, checking for damaged components, using a multimeter to test for continuity, and scanning the ABS system for fault codes.

4. Can a dirty or contaminated wheel speed sensor cause OBDII code C0035 in a Pontiac?

Yes, dirt, debris, or metal shavings on the wheel speed sensor can disrupt its function and trigger the C0035 fault code.

5. What is the recommended repair for OBDII code C0035 in a Pontiac due to a faulty left front wheel speed sensor circuit?

The recommended repair involves replacing the left front wheel speed sensor, ensuring proper connection and routing of the wiring, and clearing the fault code from the ABS system.

6. Are there any DIY tips for troubleshooting OBDII code C0035 related to the left front wheel speed sensor circuit in a Pontiac?

DIY tips include checking the sensor for visible damage, cleaning the sensor and its mounting area, inspecting the wiring for breaks or corrosion, and resetting the ABS system after any repairs.

7. Can driving with OBDII code C0035 present in a Pontiac cause any safety concerns?

Driving with code C0035 may result in compromised ABS and traction control functionality, potentially affecting the vehicle's stability and braking performance, so it is advisable to address the issue promptly.

8. Is it possible for a loose or improperly installed left front wheel speed sensor to trigger OBDII code C0035 in a Pontiac?

Yes, a loose or incorrectly installed wheel speed sensor can lead to erratic readings and trigger the C0035 fault code in the Pontiac's ABS system.

9. Can extreme weather conditions, such as excessive heat or cold, impact the left front wheel speed sensor and cause OBDII code C0035 in a Pontiac?

Extreme weather conditions can potentially affect the performance of the wheel speed sensor or its wiring, leading to issues that trigger the C0035 fault code.

10. How crucial is it to address OBDII code C0035 indicating a problem with the left front wheel speed sensor circuit in a Pontiac promptly?

It is crucial to address the issue promptly as the ABS and traction control systems rely on accurate wheel speed data for safe operation, and driving with a faulty sensor can compromise overall vehicle safety.

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